The phrase "polar vortex" has captured public attention and is now often misused to describe short-term bouts of frigid weather.

Arctic wind patterns create a sort of wall around the pole that prevents frigid air from trickling southward. That wall that ...

This cold blast could be relatively short-lived, with a return to more typical wintry temperatures by later in December.

Winter hasn't even officially started, but parts of the country are already bracing for what could feel like the deep freeze ...

This dramatic-sounding phenomenon is a naturally occurring component of the Earth’s atmosphere that can play a huge role in the type of weather we experience in the US.

Year-round, severe, artic air is usually kept tightly contained in the North Pole. Arctic wind patterns create a sort of wall ...

It’s a pattern responsible for holding back the coldest temperatures on the planet. The lowest readings ever recorded in Canada and around the northern hemisphere occurred when this Arctic feature ...

High above the North Pole, about 10 to 30 miles above Earth’s surface, sits a massive whirlpool of icy air known as the polar ...

January 2025 has been the coldest since 2018 and the fourth-coldest since the turn of the century. It looks like it could get even colder heading into next week. Within the last decade, the phrase ...

A strong polar vortex doesn't cause cold weather — it does the opposite. Here's what to know about polar vortices, how they ...

Much of the country will be hit with extreme low temperatures over the next week as a polar vortex sends cold air down from the North Pole. Real feel temperatures throughout the northeast, including ...